From 319f4165f37ff7c4463af9e7cfc509f4dd5c6594 Mon Sep 17 00:00:00 2001
From: ziyugao <gaoziyu0614@outlook.com>
Date: Thu, 23 May 2024 02:47:55 +0000
Subject: [PATCH]  CVE-2023-51794

Signed-off-by: ziyugao <gaoziyu0614@outlook.com>
---
 libavfilter/af_stereowiden.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/libavfilter/af_stereowiden.c b/libavfilter/af_stereowiden.c
index a91ea03957..ac4ec6fd37 100644
--- a/libavfilter/af_stereowiden.c
+++ b/libavfilter/af_stereowiden.c
@@ -74,6 +74,8 @@ static int config_input(AVFilterLink *inlink)
 
     s->length = s->delay * inlink->sample_rate / 1000;
     s->length *= 2;
+    if (s->length == 0)
+        return AVERROR(EINVAL);
     s->buffer = av_calloc(s->length, sizeof(*s->buffer));
     if (!s->buffer)
         return AVERROR(ENOMEM);